Pregnancy
Pregnancy occurs when an egg is fertilized by a sperm, grows inside a woman's uterus (womb), and develops into a baby. In humans, this process takes about 264 days, but the obstetrician will date from the last menstrual period or 280 days (40 weeks).
See the complete A-Z list of all the pregnancy related information or browse the current list of select resources.
Pregnancy & Getting Pregnant Related Resources
Pregnancy Articles
- Cesarean Childbirth
- Early Pregnancy Symptoms FAQs
- Eclampsia
- Ectopic Pregnancy
- Fetal Alcohol Syndrome
- Home Pregnancy Test
- In Vitro Fertilization
- Infertility FAQs
- Labor Signs
- Placenta Previa in Pregnancy
- PMS vs Pregnancy Symptoms and Signs
- Postpartum Perineal Care
- Preeclampsia
- Pregnancy Loss
- Pregnancy Myths and Facts FAQs
- Pregnancy Planning
- Pregnancy Symptoms
- Pregnancy Week by Week
- Pregnancy, Bleeding
- Pregnancy, Round Ligament Pain
- Pregnancy, Vomiting
- Threatened Miscarriage
- Trisomy 18 (Edwards Syndrome)
- Vaginal Birth After Cesarean Delivery
Pregnancy Medications
Pregnancy Images and Slideshows
- babies pregnancy twins triplets births
- First Trimester (12 Weeks) Picture
- First Trimester (4 Weeks) Picture
- First Trimester (8 Weeks) Picture
- Second Trimester (16 Weeks) Picture
- Second Trimester (20 Weeks) Picture
- Second Trimester (24 Weeks) Picture
- Slideshow Conception Pictures
- Slideshow Fetal Development
- Slideshow Pictures Exercise During Pregnancy
- Slideshow Pictures What Not to Eat When Pregnant
- Slideshow Stages of Pregnancy Pictures
- Slideshow: Early Pregnancy Symptoms
- Third Trimester (32 Weeks) Picture
- Third Trimester (36 Weeks) Picture
- Third Trimester (37-40 Weeks) Picture
- Tubal Pregnancy Picture
Pregnancy Quizzes
Pregnancy News
- 'Pregnancy Brain' Is Real?
- 'Three Parent IVF' Technique Set for Approval
- 3-Parent In Vitro Fertilization: FAQ
- Abortion Rates Fall When Birth Control Is Free
- About 20% of White Women Smoke While Pregnant
- Acetaminophen and Pregnancy: Bad Mix?
- Acetaminophen in Pregnancy Linked to ADHD in Kids
- Acid-Reducing Drugs May Not Be Risky in Pregnancy
- Adverse Pregnancy Outcomes With Hypertension
- Age of First-Time Moms Is Going Up
- Air Pollution Linked to Preterm Birth With Asthma
- Antidepressant Use in Pregnancy May Affect Baby
- Antidepressant Use in Pregnancy: Autism Risk?
- Antidepressants During Pregnancy: Safe?
- Antipsychotics in Pregnancy Risky for Newborns
- Are Common Chemicals Affecting Your Fertility?
- Are Repeat C-Sections Safer Than Natural Birth?
- As Zika Virus Spreads, Doctors Try to Calm Fears
- Asthma Drugs During Pregnancy Linked to Slight Risk of Rare Birth Defects
- Babies Listen and Learn While in the Womb
- Best and Worst Places to Be a Mom
- Birth Interval Linked to Autism Risk
- Birth Rate in 2011 Lowest Ever Reported in U.S.
- Births Decline; Economy to Blame?
- Blood Thinner Doesn't Prevent Miscarriages: Study
- Breastfeeding OK for Moms With Asthma
- C-Section Rates Are High and Getting Higher
- C-Section Rates Aren't Linked to Healthier Babies
- C-Sections Not Always Best for Small Babies
- Caffeine Linked to Low-Birth-Weight Babies
- Can You Take Antidepressants While Pregnant?
- CDC: Many Teen Moms Didn't Think They Could Get Pregnant
- Cell Phone Use in Pregnancy: Risks for Child?
- Certain Antidepressants May Raise Lung Risk in Newborns
- Chemical May Disrupt Kids' Development
- Chemo During Pregnancy OK
- Chemo May Not Harm Unborn Baby
- Children Born to Unmarried Couples on the Rise
- Coffee Drinking OK in Pregnancy
- Could These Common Pain-Relievers Lower Fertility?
- Couples Exposed to Zika Should Wait on Pregnancy
- Debate Over Antidepressants in Pregnancy Ongoing
- Declines Seen in the Induction of Labor Births
- Depressed Dads Affect Their Kids Even Before Born
- Diabetes, High BP During Pregnancy Increase Middle-Age Heart Risk
- Diet Sodas May Raise Risk of Preterm Delivery
- Dietary Supplement May Help Prevent Preeclampsia
- Draft Updated Advice for Fish Consumption
- Duchess Kate & Prince William Expecting 2nd Baby
- Earlier-Term Babies, Slight Learning Delay?
- Eating Disorders Affect Fertility, Pregnancy
- Eating Rice May Raise Arsenic Levels
- Eating, Drinking May Be OK During Labor
- Egg Freezing for a Future Pregnancy: What to Know
- Emergency Declared Over Birth Defects Tied to Zika
- Excess Weight, Diabetes Raise Risk of Big Babies
- Exercise During Pregnancy for Smaller Baby
- Family Trend? 2 Kids, Different Dads
- FDA Approves Diclegis for Morning Sickness
- Final Fish Consumption Advice From FDA and EPA
- Flu During Pregnancy May Be Linked to Autism Risk
- Future Fertility Fix? Egg-Producing Stem Cells Found in Human Ovaries
- Gastric Bypass May Bring Infant Nutrition Deficits
- Gene Mutation May Be Linked to Male Infertility
- Gestational Diabetes and Postpartum Depression
- Gestational Diabetes Needs Treatment
- Guidelines for Fetal Alcohol Spectrum Disorder
- Guidelines for Pregnancy During Zika Outbreak
- H1N1 Flu Shot Appears Safe During Pregnancy
- Having Small Babies May Raise Heart Risk in Moms
- Heart Defects, Mom's Weight May Be Linked
- Herpes Drugs May Be Safe in Early Pregnancy
- High Cholesterol Levels Linked to Infertility
- High Plastic Levels in Males Delays Pregnancy
- Home Births in the U.S. on the Rise
- Home Births Linked to Higher Newborn Death Rate
- Hormone Treatment May Drastically Reduce Preterm Births
- How Fast Is Your Biological Clock Ticking?
- Incontinence After Childbirth May Last Years
- Increase in Birth Defects of Abdominal Wall
- Infertility Treatment May Raise Birth Defect Risk
- Infertility Treatments May Raise Birth Defect Risk
- Is High Blood Pressure Linked to Birth Defects?
- IVF: Are 3 Embryos Too Many to Transfer?
- Kate and William Expecting First Baby
- Kids' Behavior Not Linked to Obese Moms-to-Be
- Lamotrigine, Levetiracetam Top AEDs in Pregnancy
- Light Drinking During Pregnancy: No Harm to Baby?
- Limit Fish While Pregnant? Study Questions Advice
- Lose Weight in Pregnancy for Healthy Baby
- Low Birth Defect Risk From Newer Epilepsy Drugs
- Low Vitamin D in Pregnancy Linked to Language Problems in Children
- Lupus, Rheumatoid Arthritis Affect Birth Rates
- Many Pregnant Women Fear Exercising
- Medications and Pregnancy: At Last, a Study
- Milk for Mom May Lower Baby's MS Risk
- Molecular Explanation for Age-Related Fertility
- Mom's Blood Sample Yields Unborn Baby's Genetics
- Moms of Preemies Face Health Problems, Too
- More Moms Breastfeeding
- More Than a Third of Babies Unintended
- Morning Sickness Has No Treatments: Study
- New Earlier, Noninvasive Paternity Test Developed
- New Guidelines for Women With Prior Cesareans
- New Zika Threat to Babies: Late-Onset Microcephaly
- Nicotine Patches Fail Most Pregnant Smokers
- Obese Women Retain More Pregnancy Weight
- Obesity May Increase Risk of Preterm Birth
- Odds of a Healthy Baby Increase With Single Embryo Transfer
- One in 10 Pregnant Women Drinks Alcohol
- Ovarian Cell Mystery: Reproductive Disorders
- Overtime Work in Pregnancy May Affect Baby's Size
- Past Pregnancies May Protect Against MS
- Preemies Raise U.S. Infant Mortality Rate
- Pregnancy After 40: Healthy Weight Improves Risk
- Pregnancy Complication Linked to Autism
- Pregnancy Extra Weight Gain Ups Kid's Obesity Risk
- Pregnancy Treatment for Women With Infertility
- Pregnancy Weight Gain Can Hurt Child's Heart
- Pregnancy Weight Gain Ups Diabetes Risk
- Pregnancy Weight Gain: New Guidelines
- Pregnancy: No Weight Gain for Obese Women?
- Pregnant Puerto Ricans Fearful of Zika
- Pregnant Travelers, Tough Choices on Zika Testing
- Pregnant Woman Pregnant Again? Maybe Not
- Pregnant Women Affected by Zika Virus
- Pregnant Women Don't Get Enough Exercise
- Pregnant Women Don't Need Vitamin D Screening
- Pregnant Women Getting Flu Shots
- Pregnant Women Put Fashion Before Foot Health
- Pregnant Women to Get Pertussis Vaccine
- Pregnant Women: Get a Whooping Cough Vaccine
- Premature Birth Rate Is Dropping
- Prescription Meds: Too Common in Pregnancy?
- Preterm Birth Rates
- Preterm Birth Rates and Infant Death Rates Drop
- Preterm Birth Rates Heading in Right Direction, Barely
- Preterm-Birth Drug Makena OK as a Generic
- Probiotics Cut Belly Fat After Pregnancy
- Relationship Troubles Add to 'Pre-Baby' Blues
- Routine Ultrasounds May Detect Autism in Utero
- Season of Birth May Affect Kids' Allergies
- Secondhand Smoke Raises Stillbirth Risk
- Sex During Pregnancy: Women Tell All
- Sex Not on Most New Moms' Minds
- Sleep Disorders in Pregnancy Link to Preterm Birth
- Snuff Use During Pregnancy Is Harmful to Newborns
- Social Media Helps Moms Overcome Vaccine Fears
- Strokes During Pregnancy, Childbirth on the Rise
- Studies Identify Stillbirth Risk Factors, Causes
- Teen Birth Rate Hits Historic Low
- Teen Birth Rate Is at Record Low
- Teen Births at Record Low, C-Sections at Record High
- Teen Births Rise for Second Year
- Trendy Baby Names Tend to Fade Fast
- Trying to Get Pregnant? Moderate Exercise May Help
- U.K. Approves '3-Parent Babies'
- U.K. Moves Closer to 3-Parent Babies
- U.S. Officials: Zika Focus Is on Pregnant Women
- U.S. Ranks 131st in Preterm Births
- Uterus Transplant Recipient: Operation ‘A Gift'
- Vitamin C No Help for Preeclampsia
- Vitamin D in Pregnancy May Be Key for Baby's Brain
- Vitamin D Levels at Birth May Predict Obesity Risk
- Vitamin D May Cut Pregnancy Risks
- Vitamins May Lower Risk of Birth Complication
- WHO: Pregnant Women Shouldn't Travel to Zika Areas
- William and Kate Welcome Their Royal Baby
- Woman Says Parents' Fertility Doctor Is Her Father
- Women Have Longer Labors Now
- Younger Teens Still Account for 1 in 4 Teen Births